Question
The mean weight of 24 men is 45
kg, while the mean weight of 18 women is 40 kg. Calculate the combined average weight of all the men and women together, rounding the result to two decimal places.Solution
ATQ, Sum of weights of each men = 24 Ă— 45 = 1,080 kg Sum of weights of each women = 18 Ă— 40 = 720 kg Required average weight = (1,080 + 720) Ă· (24 + 18) = (1,800/42) ~ 42.86 kg
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